Without a parachute, sky diver plummets into net from 25,000 feet

LOS ANGELES — Luke Aikins accomplished something Saturday night that no one else has ever done: he jumped out a helicopter 25,000 feet up in the air and landed in a net without a wingsuit or parachute. Aikins landed in a 100-by-100-foot net that was set up several stories above the ground in Big Sky Ranch…